[BC] Re: Simple question

[Bob Groome]

I had simlar times with MV tubes. One site used a
timer and a light bulb (100 W as I recall) below
the deck in my Collins 21E to heep the tubes
warm. It cost to much to run the trany fils all
night (we were a daytimer). Another site; put a
timer on the fil on circuit of a 20V2 to pre-warm
the rig up.

Then somebody invented solid state plug in
replacement ... oh joy! Wilkenson is what I
recall using and RCA plug ins for the little MV'
tubes.

Bob
--- k7cr <k7cr at blarg.net> wrote:

> I recall those years back when I had to
> 'mother' 8008's, 875's etc etc.  
> In those days stations signed off at Midnight
> and back on at 6 AM...
> The DJ usually got there about 5 minutes prior
> to air-time and did
> not understand the nature of these beasts when
> they were cold...
> besides...its was not - his - job to go to the
> transmitter to reset
> the breaker!
> 
> There had to be a better way  - 
> 
> That turned out to be a simple mod to the
> transmitter that kept
> the filaments of the Merc-Vapors on (in some
> cases at reduced 
> voltage).  Thus the fussy tubes stayed warm and
> leaped to live
> upon Plate-On without tripping the breaker.
> 
> Clay Freinwald- Seattle
> 
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Bob Groome 
The only statistics you can trust are those you falsified yourself.                                         Winston Churchill

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